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Alekssandra [29.7K]
2 years ago
9

PLEASE HELP FAST

Mathematics
2 answers:
mafiozo [28]2 years ago
7 0

Answer:

3b - 2 = 4

Step-by-step explanation:

3(2) = 6

6 - 2 = 4

luda_lava [24]2 years ago
3 0

Answer:

3b − 2 = 4

Step-by-step explanation:

2b + 24 = 30

3b − 2 = 4

b + 4 = 8

2b − 3 = 0

2b + 24 = 30

2(2) + 24 = 30

4 + 24 = 30

28 ≠ 30

-----------------------------------------------------------------------------------------------------------------

3b − 2 = 4

3(2) - 2 = 4

6 - 2 = 4

4 = 4

-----------------------------------------------------------------------------------------------------------------

b + 4 = 8

(2) + 4 = 8

6 ≠ 8

-----------------------------------------------------------------------------------------------------------------

2b - 3 = 0

2(2) - 3 = 0

4 - 3 = 0

1 ≠ 0

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Log((4x)/(8))=log(x-5)
creativ13 [48]

The given logarithmic equation solved for x is x = 10

<h3>Solving Logarithmic equations</h3>

From the question, we are to solve the given logarithmic equation.

The given logarithmic equation is

log((4x)/(8)) = log(x - 5)

To solve the given logarithmic equation, we will determine the value of the unknown variable.

The unknown variable in the equation is x.

From one of the rules of logarithm, we have that

If logₓY = logₓZ

Then,

Y = Z

Thus,

From log((4x)/(8)) = log(x - 5)

We can write that

(4x)/(8) = (x - 5)

Now, solve for x

(4x)/(8) = (x - 5)

Multiply both sides by 8

8 × (4x)/(8) = (x - 5) × 8

4x = 8x - 40

Subtract 8x from both sides of the equation

4x - 8x = 8x - 8x - 40

-4x = -40

Multiply both sides by -1

-1 × -4x = -1 × -40

4x =40

Divide both sides by 4

4x/4 = 40/4

x = 10

Hence, the solution of the equation is x = 10

Learn more on Solving logarithmic equation here: brainly.com/question/237323

#SPJ1

8 0
1 year ago
What is the sum of 6 5/3 +5 1/7
madreJ [45]
12 17/21 is the sum
8 0
3 years ago
Can someone answer this?
Paha777 [63]

Answer:

x=1

Step-by-step explanation:

Convert decimals to fractions:

11/5x + 11/5 / 4= 1.1

Simplifies the fraction:

11x+11 / 20= 1.1

Remove denominator (then multiply by 20 on both sides):

11x+11=22

Move the x to the left:

11x= -11+22 → 11x=11

Simplify:

11x=11 → x=1

6 0
2 years ago
Read 2 more answers
Show that 3x^2 -2x + 1 is always greater than 0.<br> ( This is an Additional Math Question )
Leviafan [203]

Answer:

3x^2 -2x + 1 =3(x^2-2/3x+1/3)=3(x-1/3)^2+2/9*3= 3(x-1/3)^2+2/3

(x-1/3)^2 is greater or equal to zero

3(x-1/3)^2 is greater or equal to zero

and 2/3 is greater than zero

So there sum is greater than zero

Proved

Step-by-step explanation:

3x^2 -2x + 1 =3(x^2-2/3x+1/3)

Consider x^2-2/3x+1/3

Remember that (a-b)^2 =a^2-2ab+b^2

x^2=a^2

a=x

-2/3x= -2*x*b

b=1/3

S0 (x-1/3)^2= x^2-2/3x+1/9

x^2-2/3x+1/3= x^2-2/3x+1/9+1/3-1/9= (x-1/3)^2+2/9

3x^2 -2x + 1 =3(x^2-2/3x+1/3)=3(x-1/3)^2+2/9*3= 3(x-1/3)^2+2/3

(x-1/3)^2 is greater or equal to zero

3(x-1/3)^2 is greater or equal to zero

and 2/3 is greater than zero

So there sum is greater than zero

Proved

6 0
3 years ago
What's would this be 2x+3=5x-4
mojhsa [17]

Answer:

7/3 =x

Step-by-step explanation:

2x+3=5x-4

Subtract 2x from each side

2x-2x+3=5x-2x-4

3 = 3x -4

Add 4 to each side

3+4 = 3x

7 = 3x

Divide by 3

7/3 =3x/3

7/3 =x

3 0
3 years ago
Read 2 more answers
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